#1B657C#1B657C

#1B657C is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.3% C 0.078 H 223.4°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#1B657C
RGB	rgb(27, 101, 124)
HSL	hsl(194, 64%, 30%)
HSV	hsv(194, 78%, 49%)
CMYK	cmyk(78.2%, 18.5%, 0%, 51.4%)
CIE-LAB	lab(39.57, -13.83, -19.24)
CIE-LCH	lch(39.57, 23.69, 234.28°)
OKLab	oklab(47.34% -0.057 -0.0539)
OKLCH	oklch(47.34% 0.078 223.4)
XYZ	xyz(8.7423, 10.9946, 20.7263)
Luminance	0.1100 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B657C #7C321B

analogous

#1B7C63 #1B657C #1B357C

triadic

#1B657C #7C1B65 #657C1B

tetradic

#1B657C #631B7C #7C321B #357C1B

square

#1B657C #631B7C #7C321B #357C1B

split-complementary

#1B657C #7C1B35 #7C631B

monochromatic

#051419 #103C4A #1B657C #268EAE #3DB1D5

Accessibility & contrast

On white

6.56

#1B657C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#1B657C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B657C

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B657C	#FFFFFF	#000000	##FFFFFF
##1B657C	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58637D

Deuteranopia (green-blind)

#4B597C

Tritanopia (blue-blind)

#006C6C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1b657c;
/* rgb */ color: rgb(27, 101, 124);
/* oklch */ color: oklch(47.3% 0.078 223.4);

Tailwind

colors: {
  custom: {
    50: '#6891a2',
    500: '#1b657c',
    950: '#000000',
  },
}

SCSS

$custom: #1b657c;
$custom-light: #6891a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b657c",
  "rgb": {
    "r": 27,
    "g": 101,
    "b": 124
  },
  "hsl": {
    "h": 194.227,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.47336,
    "c": 0.07845,
    "h": 223.4
  },
  "luminance": 0.10996
}

Semantic roles & 50–950 ramp

primary

#1B657C

secondary

#B05D43

accent

#6841E7

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #1B657C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →